Tech Giants Like Amazon, Microsoft, Google Are Using AI Against Hackers.

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White robot on blurred background hacking and accessing private cyber datas

“Machine learning is a very powerful technique for security—it’s dynamic, while rules-based systems are very rigid,” says Dawn Song, a professor at the University of California at Berkeley’s Artificial Intelligence Research Lab. “It’s a very manual intensive process to change them, whereas machine learning is automated, dynamic and you can retrain it easily.”

Hackers are themselves famously adaptable, of course, so they too could harness machine learning to create fresh mischief and overwhelm the new defenses. For example, they could figure out how companies train their systems and use the data to evade or corrupt the algorithms. The big cloud services companies are painfully aware that the foe is a moving target but argue that the new technology will help tilt the balance in favour of the good guys.

“We will see an improved ability to identify threats earlier in the attack cycle and thereby reduce the total amount of damage and more quickly restore systems to a desirable state,” says Amazon Chief Information Security Officer Stephen Schmidt. He acknowledges that it’s impossible to stop all intrusions but says his industry will “get incrementally better at protecting systems and make it incrementally harder for attackers.”

Before machine learning, security teams used blunter instruments. For example, if someone based at headquarters tried to log in from an unfamiliar locale, they were barred entry. Or spam emails featuring various misspellings of the word “Viagra” were blocked. Such systems often work.

Training these security algorithms falls to people like Ram Shankar Siva Kumar, a Microsoft manager who goes by the title of Data Cowboy. Siva Kumar joined Microsoft six years ago from Carnegie Mellon after accepting a second-round interview because his sister was a fan of “Grey’s Anatomy,” the medical drama set in Seattle. He manages a team of about 18 engineers who develop the machine learning algorithms and then make sure they’re smart and fast enough to thwart hackers and work seamlessly with the software systems of companies paying big bucks for Microsoft cloud services.

Siva Kumar is one of the people who gets the call when the algorithms detect an attack. He has been woken in the middle of the night, only to discover that Microsoft’s in-house “red team” of hackers were responsible. (They bought him cake to compensate for lost sleep.

Amazon’s Macie service uses machine learning to find sensitive data amid corporate info from customers like Netflixand then watches who is accessing it and when, alerting the company to suspicious activity.

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